21343023446211 has 6 divisors (see below), whose sum is σ = 30828811644540. Its totient is φ = 14228682297468.

The previous prime is 21343023446189. The next prime is 21343023446221. The reversal of 21343023446211 is 11264432034312.

21343023446211 is a `hidden beast` number, since 2 + 1 + 3 + 4 + 3 + 0 + 23 + 4 + 4 + 621 + 1 = 666.

It is not a de Polignac number, because 21343023446211 - 2²¹ = 21343021349059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21343023446221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1185723524781 + ... + 1185723524798.

It is an arithmetic number, because the mean of its divisors is an integer number (5138135274090).

Almost surely, 2^{21343023446211} is an apocalyptic number.

21343023446211 is a deficient number, since it is larger than the sum of its proper divisors (9485788198329).

21343023446211 is a wasteful number, since it uses less digits than its factorization.

21343023446211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371447049585 (or 2371447049582 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 21343023446211 in words is "twenty-one trillion, three hundred forty-three billion, twenty-three million, four hundred forty-six thousand, two hundred eleven".